Abstract
The temperature dependence of the eigenfrequencies of magnetization oscillation in a single-crystal film is shown to depend strongly on the temperature dependence of the magnetocrystalline anisotropy field. The conditions are considered under which the temperature coefficient of the ferromagnetic resonance frequency in a film with cubic anisotropy changes sign as the orientation of the magnetization vector is changed from the 〈111〉 to the 〈100〉 direction. The spectrum of surface magnetostatic waves is investigated experimentally in 〈110〉-oriented yttrium iron garnet films. It is established that, due to magnetic anisotropy of the ferrite, the temperature dependence of the long-wavelength limit of the frequency spectrum becomes nonmonotonic when a film of this material is magnetized along the 〈100〉 axis.
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Translated from Fizika Tverdogo Tela, Vol. 45, No. 12, 2003, pp. 2215–2221.
Original Russian Text Copyright © 2003 by Shagaev.
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Shagaev, V.V. Effect of magnetocrystalline anisotropy on the temperature characteristics of magnetostatic waves in ferromagnetic films. Phys. Solid State 45, 2320–2327 (2003). https://doi.org/10.1134/1.1635505
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DOI: https://doi.org/10.1134/1.1635505